This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, etc. for mini automobile water-cooled gasoline engine cylinder heads. This standard applies to mini car overhead camshafts and water-cooled gasoline engine cylinder heads (hereinafter referred to as cylinder heads).
HBm 65.11-1988 history
1988HBm 65.11-1988 Mini car gasoline engine cylinder head